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/*
* Copyright 2020 Intel Corporation, Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package api
import (
"bytes"
"encoding/base64"
"encoding/json"
"io"
"io/ioutil"
"mime"
"mime/multipart"
"net/http"
"net/textproto"
"github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/validation"
moduleLib "github.com/onap/multicloud-k8s/src/orchestrator/pkg/module"
"github.com/gorilla/mux"
pkgerrors "github.com/pkg/errors"
)
/* Used to store backend implementation objects
Also simplifies mocking for unit testing purposes
*/
type appProfileHandler struct {
client moduleLib.AppProfileManager
}
// createAppProfileHandler handles the create operation
func (h appProfileHandler) createAppProfileHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
project := vars["project-name"]
compositeApp := vars["composite-app-name"]
compositeAppVersion := vars["composite-app-version"]
compositeProfile := vars["composite-profile-name"]
var ap moduleLib.AppProfile
var ac moduleLib.AppProfileContent
// Implemenation using multipart form
// Review and enable/remove at a later date
// Set Max size to 16mb here
err := r.ParseMultipartForm(16777216)
if err != nil {
http.Error(w, err.Error(), http.StatusUnprocessableEntity)
return
}
jsn := bytes.NewBuffer([]byte(r.FormValue("metadata")))
err = json.NewDecoder(jsn).Decode(&ap)
switch {
case err == io.EOF:
http.Error(w, "Empty body", http.StatusBadRequest)
return
case err != nil:
http.Error(w, err.Error(), http.StatusUnprocessableEntity)
return
}
//Read the file section and ignore the header
file, _, err := r.FormFile("file")
if err != nil {
http.Error(w, "Unable to process file", http.StatusUnprocessableEntity)
return
}
defer file.Close()
//Convert the file content to base64 for storage
content, err := ioutil.ReadAll(file)
if err != nil {
http.Error(w, "Unable to read file", http.StatusUnprocessableEntity)
return
}
err = validation.IsTarGz(bytes.NewBuffer(content))
if err != nil {
http.Error(w, "Error in file format", http.StatusUnprocessableEntity)
return
}
ac.Profile = base64.StdEncoding.EncodeToString(content)
// Name is required.
if ap.Metadata.Name == "" {
http.Error(w, "Missing name in POST request", http.StatusBadRequest)
return
}
ret, err := h.client.CreateAppProfile(project, compositeApp, compositeAppVersion, compositeProfile, ap, ac)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusCreated)
err = json.NewEncoder(w).Encode(ret)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
// getHandler handles the GET operations on AppProfile
func (h appProfileHandler) getAppProfileHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
project := vars["project-name"]
compositeApp := vars["composite-app-name"]
compositeAppVersion := vars["composite-app-version"]
compositeProfile := vars["composite-profile-name"]
name := vars["app-profile"]
appName := r.URL.Query().Get("app-name")
if len(name) != 0 && len(appName) != 0 {
http.Error(w, pkgerrors.New("Invalid query").Error(), http.StatusInternalServerError)
return
}
// handle the get all app profiles case - return a list of only the json parts
if len(name) == 0 && len(appName) == 0 {
var retList []moduleLib.AppProfile
ret, err := h.client.GetAppProfiles(project, compositeApp, compositeAppVersion, compositeProfile)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
for _, ap := range ret {
retList = append(retList, ap)
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
err = json.NewEncoder(w).Encode(retList)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
return
}
accepted, _, err := mime.ParseMediaType(r.Header.Get("Accept"))
if err != nil {
http.Error(w, err.Error(), http.StatusNotAcceptable)
return
}
var retAppProfile moduleLib.AppProfile
var retAppProfileContent moduleLib.AppProfileContent
if len(appName) != 0 {
retAppProfile, err = h.client.GetAppProfileByApp(project, compositeApp, compositeAppVersion, compositeProfile, appName)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
retAppProfileContent, err = h.client.GetAppProfileContentByApp(project, compositeApp, compositeAppVersion, compositeProfile, appName)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
} else {
retAppProfile, err = h.client.GetAppProfile(project, compositeApp, compositeAppVersion, compositeProfile, name)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
retAppProfileContent, err = h.client.GetAppProfileContent(project, compositeApp, compositeAppVersion, compositeProfile, name)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
switch accepted {
case "multipart/form-data":
mpw := multipart.NewWriter(w)
w.Header().Set("Content-Type", mpw.FormDataContentType())
w.WriteHeader(http.StatusOK)
pw, err := mpw.CreatePart(textproto.MIMEHeader{"Content-Type": {"application/json"}, "Content-Disposition": {"form-data; name=metadata"}})
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if err := json.NewEncoder(pw).Encode(retAppProfile); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
pw, err = mpw.CreatePart(textproto.MIMEHeader{"Content-Type": {"application/octet-stream"}, "Content-Disposition": {"form-data; name=file"}})
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
kcBytes, err := base64.StdEncoding.DecodeString(retAppProfileContent.Profile)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
_, err = pw.Write(kcBytes)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
case "application/json":
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
err = json.NewEncoder(w).Encode(retAppProfile)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
case "application/octet-stream":
w.Header().Set("Content-Type", "application/octet-stream")
w.WriteHeader(http.StatusOK)
kcBytes, err := base64.StdEncoding.DecodeString(retAppProfileContent.Profile)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
_, err = w.Write(kcBytes)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
default:
http.Error(w, "set Accept: multipart/form-data, application/json or application/octet-stream", http.StatusMultipleChoices)
return
}
}
// deleteHandler handles the delete operations on AppProfile
func (h appProfileHandler) deleteAppProfileHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
project := vars["project-name"]
compositeApp := vars["composite-app-name"]
compositeAppVersion := vars["composite-app-version"]
compositeProfile := vars["composite-profile-name"]
name := vars["app-profile"]
err := h.client.DeleteAppProfile(project, compositeApp, compositeAppVersion, compositeProfile, name)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusNoContent)
}
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